... inch GPS Navigator 2. Bluetooth, Av-in, FM, Ebook 3. MP3 , MP4 , Game Player 4. SiRF Atlas-4 Model Number: D-688Size: 6'' GPS Navigation, Car GPS, GPS Navigator ... , Portable GPS- 6" Digital screen, 64K color with ... CE. NET6.0 Core Version - Aspect Ratio: 16: 9 - GPS Receiver: SiRF Star 4 - GPS receiver channels: 20 ...